SPI – Serial Peripheral Interface Demystified I was in need of an interesting signal to check out the logic analyser functionality of the BitScope micro. So, another of my current RasPiO® Beta boards was used as a convenient way to connect an mcp3008 analog to digital converter (ADC) to the Pi and the scope. I don’t claim to be an expert on SPI, but having spent the best part of a day playing with it, the mcp3008 data sheet and the BitScope Micro, I understand it a lot better now. Four pins are used… CEO […more…]

When I first saw the Bitscope Micro on the Raspberry Pi Foundation blog, it ‘ticked all my boxes’. A couple of weeks later, when Pimoroni tweeted about having the first batch in stock, I ordered one immediately. In my circumstances, it would have been rude not to. Why? The reasons are too numerous to list them all, but here are the first few that spring to mind… I need a small, portable, USB scope since I spend about 20% of my time abroad and take my work with me. It’s also a logic analyser – […more…]